ZA822162B - Digital telecommunication system - Google Patents

Digital telecommunication system

Info

Publication number
ZA822162B
ZA822162B ZA822162A ZA822162A ZA822162B ZA 822162 B ZA822162 B ZA 822162B ZA 822162 A ZA822162 A ZA 822162A ZA 822162 A ZA822162 A ZA 822162A ZA 822162 B ZA822162 B ZA 822162B
Authority
ZA
South Africa
Prior art keywords
telecommunication system
digital telecommunication
digital
telecommunication
Prior art date
Application number
ZA822162A
Inventor
Theodore Wagner
Ramesh M Vyas
Samuel Liang
Deepak R Muzumdar
George Mierzwa
Richard Sanders
Orrie J Van Der Meiden
Mustafa Y M Saleh
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ZA822162B publication Critical patent/ZA822162B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
ZA822162A 1981-03-31 1982-03-30 Digital telecommunication system ZA822162B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/249,400 US4389544A (en) 1981-03-31 1981-03-31 Digital telephone apparatus

Publications (1)

Publication Number Publication Date
ZA822162B true ZA822162B (en) 1983-06-29

Family

ID=22943321

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA822162A ZA822162B (en) 1981-03-31 1982-03-30 Digital telecommunication system

Country Status (4)

Country Link
US (1) US4389544A (en)
CA (1) CA1177566A (en)
DE (1) DE3204263A1 (en)
ZA (1) ZA822162B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4488002A (en) * 1981-12-21 1984-12-11 At&T Bell Laboratories Line control of switched network data sets
US4512017A (en) * 1983-02-04 1985-04-16 At&T Information Systems Digital dual channel communication terminal
US4512016A (en) * 1983-02-04 1985-04-16 At&T Information Systems Inc. Digital communication station signaling control
US4554413A (en) * 1984-05-31 1985-11-19 Pks/Communications, Inc. Key telephone system
US4593389A (en) * 1984-06-28 1986-06-03 Henry Wurzburg Simultaneous voice and asynchronous data telephone
IT1202595B (en) * 1987-02-27 1989-02-09 Etefin Spa DIGITAL INTERFACE DEVICES FOR POM DATA, IN PARTICULAR FOR DIGITAL TELEPHONE SYSTEMS, DATA PROCESSING OR IMAGES
DE3806473A1 (en) * 1988-03-01 1989-09-14 Licentia Gmbh MOBILE RADIO TELEPHONE
FR2650717B1 (en) * 1989-08-02 1991-10-04 Alcatel Business Systems SYNCHRONOUS DIGITAL TRANSMITTER
US6169801B1 (en) * 1998-03-16 2001-01-02 Midcom, Inc. Digital isolation apparatus and method
DE50001985D1 (en) * 1999-06-25 2003-06-05 Infineon Technologies Ag PROGRAMMABLE DIGITAL BANDPASS FILTER FOR A KODEC SWITCHING
GB2384411B (en) * 2000-10-06 2003-12-17 Flextronics Semiconductor Desi Coherent expandable high speed interface
US7983722B2 (en) 2007-03-29 2011-07-19 Research In Motion Limited Headset with multi-button control for a mobile communication device
US8097973B2 (en) * 2009-03-03 2012-01-17 Aboundi, Inc. Power mains transformer data bridge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446696C3 (en) * 1974-09-30 1979-07-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method and circuit arrangement for the transmission of digital communication signals from signal transmitters to signal receivers via a coupling device
DE2619333C3 (en) * 1976-04-30 1978-12-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method and circuit arrangement for the transmission of digital information between a subscriber station and an exchange
DE2621603C3 (en) * 1976-05-14 1978-11-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Method and circuit arrangement for the independent transmission of PCM message words and signaling words between a subscriber station and an exchange
DE2750818C3 (en) * 1977-11-14 1986-02-13 Vdo Adolf Schindling Ag, 6000 Frankfurt Arrangement for time-division multiplexed data transmission
US4203011A (en) * 1978-01-17 1980-05-13 Tie/Communications, Inc. Computer controlled key telephone station set
CA1130900A (en) * 1978-02-01 1982-08-31 Kanzi Tawara Time division telephone switching systems
US4302629A (en) * 1979-03-14 1981-11-24 Teltone Corporation Digital data transmission system
US4339633A (en) * 1980-10-06 1982-07-13 International Standard Electric Corporation Modular telecommunications system

Also Published As

Publication number Publication date
CA1177566A (en) 1984-11-06
US4389544A (en) 1983-06-21
DE3204263A1 (en) 1982-10-21

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